Sankosha 3SD4-Series Gas Discharge Tubes (GDT) – Surge Arresters

Manufacturer: Sankosha., Inc
Model: 3SD4-Series

Features:

3SD4-Series

  • UL 479B Recognized (File E140906)
  • High Surge Current Rating
  • Non-Radioactive
  • Surface Mount
  • Small Size
  • RoHS Compliant (100% Lead-Free)
  • ISO 9001 and ISO 14001 Certified
  • Low Capacitance ≤ 1.0pF

Applications:

  • Cable Telephony Products
  • Modems/Cable Modems
  • Broadband/CATV/Coaxial Protectors
  • xDSL Modems and Peripherals
  • Building Entry/Outside Plant
  • Transient Voltage Surge Suppression
Part
Number		DC Breakdown Voltage
(L1-E)(L2-E)		Impulse Breakdown Voltage
(L1-E)(L2-E)		Insulation Resistance(1)DC Holdover Voltage(2)Impulse Life
(L1+L2-E)		Impulse Discharge Current (L1+L2-E) (8/20μs)AC Discharge Current (L1+L2-E) (50Hz)
100V/s1kV/μs8/20μs 200A10/1000μs 100A1 Second
3SD4-7575V ±20%≤ 600V≥ 10,000 MΩ≤ 52V1000 Times5kA10A
3SD4-9090V ±20%≤ 600V≥ 10,000 MΩ≤ 52V1000 Times5kA10A
3SD4-145145V ±20%≤ 600V≥ 10,000 MΩ≤ 80V1000 Times5kA10A
3SD4-200200V ±20%≤ 600V≥ 10,000 MΩ≤ 135V1000 Times5kA10A
3SD4-230230V ±20%≤ 650V≥ 10,000 MΩ≤ 135V300 Times10kA10A

 

3SD4-Series
 

Notes:
  1. Insulation Resistance for all part numbers is ≥ 10,000 MΩ measured at:
    DC 50V for the 3SD4-75, 3SD4-90 and 3SD4-145
    DC 100V for the 3SD4-200 and 3SD4-230
  2. DC Holdover Voltage measured in accordance with the ITU-T K.12 or the IEEE C62.31-1987 Test Circuit
  3. Capacitance measured at 1 MHz for all part numbers is ≤ 1.0 pF

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